Symptom

Cause

Remedy

 

 

 

Hoist will lift

Poor pawl movement caused by faulty pawl

Perform maintenance and/or repair.

spring. The spring is loose or damaged.

intermittently –

 

 

 

Slight or irregular

Mis-assembly of pawl spring

Reassemble it properly and ensure to check

clicking

click sound of the pawl before reuse.

 

 

 

 

 

Reassemble properly and ensure proper

 

 

lifting before reuse.

Poor contact of load sheave and load chain

During operation, hoist caused by improper chain-reeving. idles or load drifts

 

 

Reset the capsized hook.

Hoist will not lift all the

 

 

way (multiple fall

Capsized hook

 

hoists)

 

 

 

 

Twisted Chain

 

 

Capsized Hook and Chain

 

 

Double Fall Models

Hoist does not lift load

Improper assembly of gear OR bearing

Disassemble and reassemble gear train

smoothly.

broken.

and/or replace bearing.

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